1) What is the potential energy of an object with a mass of 5kg at a height of 4m above the ground on Earth?

College Physics
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ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
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Problems: Show all work (formulas used, what is plugged in, and final answers with units). Circle or Box answers.
1) What is the potential energy of an object with a mass of 5kg at a height of 4m above the ground on Earth?
2) How much kinetic energy does an 8kg object have if it is moving along the surface of the Moon with a speed of
10m/s?
3) How much work does an elevator do (ie The work done by the Normal force) on an 80kg person in lowering this
person at a constant velocity over a distance of 15m?
Transcribed Image Text:EC Problems: Show all work (formulas used, what is plugged in, and final answers with units). Circle or Box answers. 1) What is the potential energy of an object with a mass of 5kg at a height of 4m above the ground on Earth? 2) How much kinetic energy does an 8kg object have if it is moving along the surface of the Moon with a speed of 10m/s? 3) How much work does an elevator do (ie The work done by the Normal force) on an 80kg person in lowering this person at a constant velocity over a distance of 15m?
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